package com.zhl.junit;



public class StringUtil {
    public static void printNumber(String name){
        System.out.println("名字的长度是:"+name.length());
    }

    /*
    求字符串的最大索引
     */
    public static int getMaxIndex(String data) {
        if(data == null){
            return -1;
        }
        return data.length();
    }

}
